题目

缺词填空You’re standing with your classmates. E  1   is talking except you. Perhaps you’re afraid they will laugh at when you say. Maybe you just aren’t b  2   enough to speak.Shyness is like a snake that crawls（爬进）into our mouth and s  3   us speaking. But we shouldn’t let it stay there. I am 29 years old. Even today, that snake still sometimes v   4 me. When I was in high school, I was so shy that I wouldn’t talk to anyone except my parents and best friends. If a stranger asked me the w  5   to a local shop, it was as if I’d forgotten how to talk. One su人体缺乏维生素B1时，容易患的病是（   ）A．脚癣病B．脚气病C．坏血病D．夜盲症